Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2003-2004 Land Rover Discovery Ii . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.

NOTE *1 the BCU (Body Control Unit) is located under the Passenger side of the Dash.
NOTE *2 the DRIVERS DOOR is a PURPLE/WHITE (-) Pin 17, the PASSENGER DOOR and TAILGATE is a PURPLE/LIGHT GREEN (-) Pin 4 at the BCU (See NOTE *1) use both DOOR TRIGGER wires and DIODE ISOLATE when connecting to an ALARM SYSTEM, to connect, See DIAGRAM
NOTE *3 the ECM (Electronic Control Module) is located under the PASSENGER SIDE of the DASH
NOTE *4 this vehicle has (2) Door Trigger wires, when connecting to an ALARM SYSTEM, use both DOOR TRIGGER wires and DIODE ISOLATE, to connect, See DIAGRAM